Patents by Inventor Taku Arakawa

Taku Arakawa has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • TUNNEL EXCAVATION DEVICE
    Publication number: 20230203949
    Abstract: A tunnel excavation device includes a main body a frame and a workbench. The main body includes a front body section and a rear body section. The front body section includes a cutter head provided with a plurality of disk cutters. The rear body section is disposed behind the front body section and includes a gripper section for obtaining a reaction force when excavating. The frame is disposed continuously behind the main body. The workbench is disposed above the frame so as to be rotatable with respect to the frame.
    Type: Application
    Filed: April 22, 2021
    Publication date: June 29, 2023
    Inventors: Masahiro SUWANO, Naoki SEKIYAMA, Hiroshi ASANO, Taku ARAKAWA
  • Boot time reducing device including boot preparation instructing unit
    Patent number: 7257702
    Abstract: With a temporary operating unit being operating, a user provides a boot timing using a boot timing instructing unit. This causes a CPU to compute a boot preparation timing based on the boot timing, and store the boot timing and boot preparation timing to a boot timing memory. At this time, a timer begins a time-keeping operation. After that, the user turns off the power to the temporary operating unit. A boot preparation instructing unit determines whether or not the time being measured by the timer coincides with the boot preparation timing stored in the boot timing memory. When the time measured by the timer coincides with the boot preparation timing stored in the boot timing memory, the boot preparation instructing unit provides the CPU with a boot preparation instruction. This turns on the power to the temporary operating unit, and the CPU performs a boot preparation.
    Type: Grant
    Filed: April 16, 2004
    Date of Patent: August 14, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Mikihiko Yamada, Norihiko Mizobata, Taku Arakawa
  • Start time reduction device and electronic device
    Publication number: 20060184780
    Abstract: With a temporary operating unit being operating, a user provides a boot timing using a boot timing instructing unit. This causes a CPU to compute a boot preparation timing based on the boot timing, and store the boot timing and boot preparation timing to a boot timing memory. At this time, a timer begins a time-keeping operation. After that, the user turns off the power to the temporary operating unit. A boot preparation instructing unit determines whether or not the time being measured by the timer coincides with the boot preparation timing stored in the boot timing memory. When the time measured by the timer coincides with the boot preparation timing stored in the boot timing memory, the boot preparation instructing unit provides the CPU with a boot preparation instruction. This turns on the power to the temporary operating unit, and the CPU performs a boot preparation.
    Type: Application
    Filed: April 16, 2004
    Publication date: August 17, 2006
    Inventors: Mikihiko Yamada, Norihiko Mizobata, Taku Arakawa
  • Kit for amplifying nucleic acid
    Patent number: 6225065
    Abstract: A nucleic acid amplifying enzyme having a short reaction time and high fidelity is provided. The enzyme of this invention is a thermostable DNA polymerase having a nucleic acid extension rate of at least 30 bases per second and a 3′-5′ exonuclease activity. Also provided are a method and kit for amplifying nucleic acid.
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: May 1, 2001
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Masao Kitabayashi, Taku Arakawa, Hiroaki Inoue, Bunsei Kawakami, Yoshihisa Kawamura, Tadayuki Imanaka, Masahiro Takagi, Masaaki Morikawa
  • Methods of amplification using a thermostable DNA polymerase from the hyperthermophilic archaeon strain KOD1 and reagent kit therefor
    Patent number: 6054301
    Abstract: A nucleic acid amplifying enzyme having a short reaction time and high fidelity is provided. The enzyme of this invention is a thermostable DNA polymerase having a nucleic acid extension rate of at least 30 bases per second and a 3'-5' exonuclease activity. Also provided are a method and kit for amplifying nucleic acid.
    Type: Grant
    Filed: May 24, 1996
    Date of Patent: April 25, 2000
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Masao Kitabayashi, Taku Arakawa, Hiroaki Inoue, Bunsei Kawakami, Yoshihisa Kawamura, Tadayuki Imanaka, Masahiro Takagi, Masaaki Morikawa
  • Thermostable DNA polymerase from a hyperthermophilic archaeon strain KOD1
    Patent number: 6033859
    Abstract: A nucleic acid amplifying enzyme having a short reaction time and high fidelity is provided. The enzyme of this invention is a thermostable DNA polymerase having a nucleic acid extension rate of at least 30 bases per second and a 3'-5' exonuclease activity. Also provided are a method and kit for amplifying nucleic acid.
    Type: Grant
    Filed: May 6, 1998
    Date of Patent: March 7, 2000
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Masao Kitabayashi, Taku Arakawa, Hiroaki Inoue, Bunsei Kawakami, Yoshihisa Kawamura, Tadayuki Imanaka, Masahiro Takagi, Masaaki Morikawa